US Bridges

S.H. 100 over I-40 under

Fair

Muskogee County, Oklahoma · 11.2 MI E C/L · Structure no. 170040000000000

Built
1967
58 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
219 ft
2 main spans
Daily traffic
1,800
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 100 over I-40 under is a steel continuous stringer/multi-beam or girder carrying S.H. 100 over I-40 under in Muskogee County, Oklahoma. It was built in 1967, so it is 58 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,800 vehicles a day, roughly 15% of them trucks, projected to reach 2,880 by 2042. The structure is 219 ft (66.8 m) long and 33 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesS.H. 100
CrossesI-40 under
Location11.2 MI E C/L
RouteState Highway 100
CountyMuskogee County
StateOklahoma
Coordinates35.48269, -95.1498
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length219 ft (66.8 m)
Longest span77 ft (23.5 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2022)
Projected traffic2,880 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was S.H. 100 over I-40 under built?

It was built in 1967, making it 58 years old in 2025.

What condition is S.H. 100 over I-40 under in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does S.H. 100 over I-40 under carry?

About 1,800 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 100 over I-40 under?

The structure is 219 ft (66.8 m) long with a longest span of 77 ft (23.5 m) and a deck 33 ft wide.

Who owns S.H. 100 over I-40 under?

It is owned by the State Highway Agency.